EN 1.5522 Steel vs. SAE-AISI 1046 Steel
Both EN 1.5522 steel and SAE-AISI 1046 steel are iron alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is EN 1.5522 steel and the bottom bar is SAE-AISI 1046 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 140 to 190 | |
| 190 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 11 to 21 | |
| 14 to 17 |
| Fatigue Strength, MPa | 210 to 330 | |
| 240 to 390 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Reduction in Area, % | 59 to 69 | |
| 39 to 50 |
| Shear Modulus, GPa | 73 | |
| 72 |
| Shear Strength, MPa | 320 to 380 | |
| 410 to 450 |
| Tensile Strength: Ultimate (UTS), MPa | 450 to 1490 | |
| 660 to 740 |
| Tensile Strength: Yield (Proof), MPa | 300 to 520 | |
| 370 to 610 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 400 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 51 | |
| 51 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 1.8 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 19 | |
| 18 |
| Embodied Water, L/kg | 47 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 45 to 250 | |
| 91 to 95 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 to 720 | |
| 360 to 990 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 16 to 53 | |
| 23 to 26 |
| Strength to Weight: Bending, points | 17 to 37 | |
| 22 to 23 |
| Thermal Diffusivity, mm2/s | 14 | |
| 14 |
| Thermal Shock Resistance, points | 13 to 44 | |
| 23 to 25 |
Alloy Composition
| Boron (B), % | 0.00080 to 0.0050 | |
| 0 |
| Carbon (C), % | 0.2 to 0.24 | |
| 0.43 to 0.5 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 |
| Iron (Fe), % | 98 to 98.9 | |
| 98.4 to 98.9 |
| Manganese (Mn), % | 0.9 to 1.2 | |
| 0.7 to 1.0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.050 |